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Home >> Acura >> 2023 >> MDX Base >> Repair and Diagnosis >> Quick Lookups >> DTC Index >> Network Communication DTCS (Body Electrical) >> Keyless Access Control Unit (Body Control Module)
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Keyless Access Control Unit (Body Control Module)

DTC Description
DTC Troubleshooting: B1601 (Keyless Access Control Unit) Keyless access control unit internal (CPU) error
DTC Description
DTC Troubleshooting: B1602 (Keyless Access Control Unit) BCM Internal Error (EEPROM Error)
DTC Troubleshooting: B1627 RF1 UNIT DISCONNECTED
DTC Troubleshooting: B1640 RF1 antenna not connected or malfunction
DTC Troubleshooting: B1645 Driver's Door LF Antenna (Left-Front LF Antenna/Initiator) Circuit Short
DTC Troubleshooting: B1646 Driver's Door LF Antenna (Left-Front LF Antenna/Initiator) Circuit Open
DTC Troubleshooting: B1647 Passenger's Door LF Antenna (Right-Front LF Antenna/Initiator) Circuit Short
DTC Troubleshooting: B1648 Passenger's Door LF Antenna (Right-Front LF Antenna/Initiator) Circuit Open
DTC Troubleshooting: B1649 DRIVER SIDE REAR PASSENGER DOOR LF ANTENNA (LEFT-REAR LF ANTENNA/INITIATOR) CIRCUIT SHORT
DTC Troubleshooting: B1650 DRIVER SIDE REAR PASSENGER DOOR LF ANTENNA (LEFT-REAR LF ANTENNA/INITIATOR) CIRCUIT OPEN
DTC Troubleshooting: B1651 PASSENGER SIDE REAR PASSENGER DOOR LF ANTENNA (RIGHT-REAR LF ANTENNA/INITIATOR) CIRCUIT SHORT
DTC Troubleshooting: B1652 PASSENGER SIDE REAR PASSENGER DOOR LF ANTENNA (RIGHT-REAR LF ANTENNA/INITIATOR) CIRCUIT OPEN
DTC Troubleshooting: B1657 TRUNK/TAILGATE/REAR BUMPER ANTENNA (REAR BUMPER LF ANTENNA) CIRCUIT SHORTED
DTC Troubleshooting: B1658 Trunk/Tailgate/Rear Bumper LF Antenna (Rear Bumper LF Antenna) Circuit Open
DTC Troubleshooting: B1659 Front Interior LF Antenna Circuit Short
DTC Troubleshooting: B1660 Front Interior LF Antenna Circuit Open
DTC Troubleshooting: B1661 MIDDLE INTERIOR ANTENNA CIRCUIT OPENED
DTC Troubleshooting: B1662 MIDDLE INTERIOR ANTENNA CIRCUIT SHORTED
DTC Troubleshooting: B1663 Rear Interior LF Antenna Circuit Short
DTC Troubleshooting: B1664 Rear Interior LF Antenna Circuit Open
DTC Troubleshooting: U1280 (Keyless Access Control Unit) B-CAN communication bus line error (BUS-OFF)
DTC Troubleshooting: U1281 (Keyless Access Control Unit) BCM lost communication with BCM/MICU
DTC Troubleshooting: U128D (Keyless Access Control Unit) BCM lost communication with gauge control module